1998683755 is an odd 10-digits composite number following 1998683754
and preceding 1998683756 . In scientific notation, it is written as 1.998683755 × 10^9.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 1598383488 positive integers (up to 1998683755) that are relatively prime to 1998683755.
1998683755 has 8 divisors, whose sum is 2399265792
The reverse of 1998683755 is 5573868991
Previous prime number is 2897
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 61
Digital Root 7
Name
one billion nine hundred ninety-eight million six hundred eighty-three thousand seven hundred fifty-five
Scientific notation
1.998683755 × 10^9
Engineering notation
1.998683755 × 10^9
Prime Factorization
5 × 2897 × 137983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1998683755
Product of the distinct prime numbers
The prime factorization of 1998683755 is 5 × 2897 × 137983.
Since it has a total of 3 prime factors.
8 , 4 , 32 , 66 , 173 , 438 , 1832 , 2085 , 68725 , 31239 , 562905 , 954519 , 3879512 , 4834200 , 29111092 , 62097026 , 454951670 , 410786655 , 856987089 , 9449368874
n×2
3997367510
n×3
5996051265
n×4
7994735020
n×5
9993418775
n÷2
999341877.5
n÷3
666227918.33333
n÷3
499670938.75
n÷5
399736751
n2
3994736752500900025
n3
7.984215452725E+27
n4
1.5957921721781E+37
n5
3.1894838908886E+46
2 √n
44706.64106148
3 √n
1259.6445951086
4 √n
211.43945010683
5 √n
72.46842397933
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998683754
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998683755 can be divided by 8 positive divisors.
The sum of these divisors (counting 1998683755) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001000010111111001101011
3
Ternary
12011021212122200021
4
Quaternary
1313020113321223
5
Quinary
13043130340010
6
Senary
530154421311
8
Octal
16710277153
10
Decimal
1998683755
12
Duodecimal
479431837
16
Hexadecimal
77217e6b
20
Vigesimal
1b4bf97f
36
Base36
x1yq97
md5
9f5bad334a7c023324b724e8a663fdcf
sha1
34388e8b24d4791a9abaa22349b7249723fa4492
sha256
8110435cab493ea4d98e94a3890b6fc98b849bbcb459831c890eec28a6c7b4ff
sha512
5fac964cc2a408e6a67eb1568f4c69c0ab9c970ff84ef9b32d9ac1529c49d3210eb4011a017403c71445690df9ee58dbfe5313b73a30bbf300d00b96c2490e8a
ripemd-160
e29a24dad71174b0c11fdc5f78d8c63003ed7c88
Diameter
3997367510
Circumference
12558100403.115
Area
1.2549835634682E+19
Volume
3.3444203481279E+28
Surface area
5.0199342538728E+19
Circumference
12558100403.115
Perimeter
7994735020
Area
3994736752500900025
Diagonal
2826565673.2158
Surface area
2.3968420515005E+19
Volume
7.984215452725E+27
Space diagonal
3461821811.9225
Perimeter
5996051265
Area
1.7297717545486E+18
Altitude
1730910905.9613
Surface area
1.7297717545486E+18
Volume
9.4094881484605E+26
Height
942188557.73859